The WASM binaries are around 10 megabytes for this. That's a lot, for sure, but this includes a whole windowing system, a raster paint engine, and a C++ reflection mechanism.
sure, but if you want to get your existing 500kloc Qt app to show quickly on screen to make a demo for instance, you aren't going to rewrite it in HTML/CSS/JS for the fun.
> https://msorvig.github.io/qt-webassembly-examples/widgets_wi...
cf. https://bugreports.qt.io/browse/QTBUG-63917
The WASM binaries are around 10 megabytes for this. That's a lot, for sure, but this includes a whole windowing system, a raster paint engine, and a C++ reflection mechanism.